text: /* futimes -- change access and modification times of open file.  Hurd version.
     Copyright (C) 2002-2015 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, see
     <http://www.gnu.org/licenses/>.  */
  
  #include <sys/time.h>
  #include <errno.h>
  #include <stddef.h>
  #include <hurd.h>
  #include <hurd/fd.h>
  
  /* Change the access time of FD to TVP[0] and
     the modification time of FD to TVP[1].  */
  int
  __futimes (int fd, const struct timeval tvp[2])
  {
    union tv
    {
      struct timeval tv;
      time_value_t tvt;
    };
    const union tv *u = (const union tv *) tvp;
    union tv nulltv[2];
    error_t err;
  
    if (tvp == NULL)
      {
        /* Setting the number of microseconds to `-1' tells the
           underlying filesystems to use the current time.  */
        nulltv[0].tvt.microseconds = nulltv[1].tvt.microseconds = -1;
        u = nulltv;
      }
  
    err = HURD_DPORT_USE (fd, __file_utimes (port, u[0].tvt, u[1].tvt));
    return err ? __hurd_dfail (fd, err) : 0;
  }
  weak_alias (__futimes, futimes)
  